These dont have any holo foiling, special text, or textures to make them stand out
Since all this card requires is that you have at least one Monster on the field, it can overlay on anything
Additionally, "Neurogos" doubles the battle damage that "Krawler" monsters linked to it inflict upon the opponent, while "Synaphysis" enables "Krawler" monsters linked to it to make 2 attacks on the opponent's monsters during the Battle Phase, traits that further bolster the archetype's capability to inflict mass damage to the opponent in concert with its ability to swarm
Details: magic.wizards.com/productdetails
In the Pokmon trading card game, a few rare cards are coveted by collectors for attributes like being an exclusive trophy card, being a holographic (holo), being a Japanese print, or other specific details
You need to keep your hand stacked with lands in order to enable retrace, but you don't want to give up land drops either, an issue that's solved by exploring a bunch with Hakbal